Detergent composition

Abstract

The invention concerns a detergent composition, comprising: (a) from 1 to 40 wt. % of a secondary alkane sulfonate surfactant with an average of 15 to 18 carbon atoms in a linear alkane chain; (b) from 1 to 40 wt. % of an nonionic surfactant; and, (c) from 0.01 to 8%, of an alkyl hydroxysultaine co-surfactant; wherein the total weight ratio of total weight of anionic surfactants to total weight of nonionic surfactants ranges from 30:1 to 1:2; and, wherein the hydroxy sultaine cosurfactant has the formula: R-N+(CH3)2—CH2—CH(OH)—CH2—SO3—M+ where R is an alkyl chain with C10-C18 and M is any suitable cationic counterion; the invention also concerns a method, preferably a domestic method of treating a textile.

1 . A detergent composition, comprising:
 a) from 1 to 40 wt. % of an anionic surfactant, wherein the anionic surfactant is a secondary alkane sulfonate surfactant with an average of 15 to 18 carbon atoms in a linear alkyl chain;   b) from 1 to 40 wt. % of a nonionic surfactant selected from alcohol alkoxylates, nonionic biosurfactants or any mixtures thereof; and,   c) from 0.01 to 8% of an alkyl hydroxysultaine co-surfactant;   wherein a total weight ratio of total weight of anionic surfactants to total weight of nonionic surfactants ranges from 30:1 to 1:2; and   wherein the alkyl hydroxysultaine co-surfactant has the formula
   R-N + (CH 3 ) 2 —CH 2 —CH(OH)—CH 2 —SO 3   − M + 
 
   
       where R is a C10-C18 alkyl chain and M is Na+ or K+. 
     
     
         2 . The detergent composition according to  claim 1 , wherein greater than 50 wt. % of the linear alkyl chain of the secondary alkane sulfonate surfactant is C15 to C18. 
     
     
         3 . The detergent composition according to  claim 1 , wherein the linear alkyl chains of the secondary alkane sulfonate surfactant are obtained from renewable sources. 
     
     
         4 . The detergent composition according to  claim 1 , wherein the total weight ratio of total weight of anionic surfactants to total weight of nonionic surfactants ranges from 25:1 to 1:2. 
     
     
         5 . The detergent composition according to  claim 1 , wherein the weight ratio of the secondary alkane sulfonate surfactant and the nonionic surfactant to alkyl hydroxysultaine co-surfactant ranges from 2:1 to 100:1. 
     
     
         6 . The detergent composition according to  claim 1 , wherein greater than 50 wt. % an alkyl chain of the alkyl hydroxysultaine co-surfactant is from C10-C16. 
     
     
         7 . The detergent composition according to  claim 1 , wherein the alcohol alkoxylate is an alcohol ethoxylate having from C12-C15 with a mole average of from 5 to 9 ethoxylates. 
     
     
         8 . The detergent composition according to  claim 1  further comprising from 1 to 40 wt. % of one or more additional anionic surfactants; other than the secondary alkane sulfonate surfactant wherein the additional one or more anionic surfactant is selected from primary alkyl sulfates, linear alkyl benzene sulfonates, alkyl ether sulfates, internal olefin sulfonates, alpha olefin sulfonates, soaps, anionically modified APGs, furan based anionics, anionic biosurfactants, citrems, tatems datems or any combinations thereof. 
     
     
         9 . The detergent composition according to  claim 1 , further comprising from 0.5 to 15 wt. % of cleaning boosters selected from antiredeposition polymers, soil release polymers, alkoxylated polycarboxylic acid esters and mixtures thereof. 
     
     
         10 . The detergent composition according to  claim 9 , wherein the antiredeposition polymers are alkoxylated polyamines. 
     
     
         11 . The detergent composition according to  claim 9 , wherein the soil release polymer is a polyester soil release polymer. 
     
     
         12 . The detergent composition according to  claim 1 , wherein the composition is a laundry detergent composition. 
     
     
         13 . The detergent composition according to  claim 1 , further comprising one or more enzymes from the group: lipases, proteases, alpha-amylases, cellulases, peroxidases/oxidases, pectate lyases, mannanases, or mixtures thereof. 
     
     
         14 . The detergent composition according to  claim 1 , wherein a weight ratio of the secondary alkane sulfonate surfactant to the alkyl hydroxysultaine co-surfactant is from 10:1 to 1.5:1. 
     
     
         15 . A method of treating a comprising the step of: treating a textile with an aqueous solution of 0.5 to 20 g/L of the detergent composition of  claim 1 , and optionally drying the textile. 
     
     
         16 . The detergent composition according to  claim 1 , wherein the linear alkyl chains of the secondary alkane sulfonate surfactant are triglycerides. 
     
     
         17 . The detergent composition according to  claim 1 , wherein the alcohol alkoxylate is an alcohol ethoxylate, an alkyl polyglucoside, an alkyl polypentoside, or any combination thereof. 
     
     
         18 . The detergent composition according to  claim 1 , wherein the alcohol alkoxylate is an alcohol ethoxylate having from C16-C18 with a mole average of from 7 to 14 ethoxylates. 
     
     
         19 . The detergent composition according to  claim 1 , wherein a level of each of the enzymes in the composition is from 0.0001 wt. % to 0.1 wt. %. 
     
     
         20 . The method according to  claim 15 , wherein the detergent composition is a laundry liquid detergent composition.